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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Endpoint summary

Administrative data

Description of key information

Appearance:

On the basis of physical observation and using the sense of smell, 1H-Pyrazole-3 -carboxylic acid, 4,5 -dihydro-5 -oxo-1 -(4 -sulfophenyl)-4 -[(4 -sulfophenyl)azo]-, reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) derivs was observed to be a solid yellow powder.

Melting point:

Based on prediction done using MPBPVP v1.43, the melting point of 1H-Pyrazole-3-carboxylic acid, 4,5 -dihydro-5 -oxo-1 -(4 -sulfophenyl)-4 -[(4 -sulfophenyl)azo]-, reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) derivs. was  estimated to be 173 Deg C.

Boiling Point:

Based on prediction done using MPBPVP v1.43,the Boiling point of  1H-Pyrazole-3-carboxylic acid, 4,5 -dihydro-5 -oxo-1 -(4 -sulfophenyl)-4 -[(4 -sulfophenyl)azo]-, reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) derivs. was  estimated to be 462˚C.

Density:

The density of 1H-Pyrazole-3-carboxylic acid, 4,5 -dihydro-5 -oxo-1 -(4 -sulfophenyl)-4 -[(4 -sulfophenyl)azo]-, reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) derivs is 1.17 g/cm3 at 20°C and 980.5 hPa.

Particle size distribution:

The particle size distribution of 1H-Pyrazole-3 -carboxylic acid, 4,5 -dihydro-5 -oxo-1 -(4 -sulfophenyl)-4 -[(4 -sulfophenyl)azo]-, reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) derivs. was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determined to be in the range of 150 micron to 25 micron.

Vapour pressure:

The estimated vapour pressure of 1H-Pyrazole-3-carboxylic acid, 4,5 -dihydro-5 -oxo-1 -(4 -sulfophenyl)-4 -[(4 -sulfophenyl)azo]-, reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) derivs  at 25 deg C was 98.2 Pa.

Partition coefficient

The partition coefficient(n-octanol/water) (logKow) of test substance 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl)azo]-, reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) derivs. (CAS No. 15790-07-5) was determined to be 4.8 at 25°C. Thus, on the basis of this value, chemical 1H-Pyrazole-3 -carboxylic acid, 4,5 -dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl)azo]-, reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) derivs. can be considered to be hydrophobic in nature.

Water solubility:

The water solubility determination of 1H-Pyrazole-3-carboxylic acid, 4,5 -dihydro-5 -oxo-1 -(4 -sulfophenyl)-4 -[(4 -sulfophenyl)azo]-, reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) derive was done as per the shake flask method. The solubility was determine to be less than 0.01 mg/L at 25 Deg C. Thus the 1H-Pyrazole-3 -carboxylic acid, 4,5 -dihydro-5 -oxo-1 -(4 -sulfophenyl)-4 -[(4 -sulfophenyl)azo]-, reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) derive is considered to be insoluble in water.

Surface tension:

The study does not need to be conducted because water solubility is below 1 mg/L at 20°C.

Flash point:

The study does not need to be conducted because the flash point is only relevant to liquids and low melting point solids.

Auto flammability:

1H-Pyrazole-3-carboxylic acid, 4,5 -dihydro-5 -oxo-1 -(4 -sulfophenyl)-4 -[(4 -sulfophenyl)azo]-, reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) derivs did not catch fire on being exposed to air at room temperature of 27°C pressure of 966 hPa. This indicates that 1H-Pyrazole-3 -carboxylic acid, 4,5 -dihydro-5 -oxo-1 -(4 -sulfophenyl)-4 -[(4 -sulfophenyl)azo]-, reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) derivs is not auto-flammable.

Flammability:

1H-Pyrazole-3-carboxylic acid, 4,5 -dihydro-5 -oxo-1 -(4 -sulfophenyl)-4 -[(4 -sulfophenyl)azo]-, reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) derivs does not indicate any ignition when the flame of bunsen burner having temperature of approximately 950°C is brought in contact with it. Thus it can be concluded that 1H-Pyrazole-3 -carboxylic acid, 4,5 -dihydro-5 -oxo-1 -(4 -sulfophenyl)-4 -[(4 -sulfophenyl)azo]-, reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) derivs is not flammable at high temperature. However since such high temperatures are not found under normal circumstances of transportation and use, thus 1H-Pyrazole-3 -carboxylic acid, 4,5 -dihydro-5 -oxo-1 -(4 -sulfophenyl)-4 -[(4 -sulfophenyl)azo]-, reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) derivs was considered non-flammable.

Explosiveness:

The study does not need to be conducted because there are no chemical groups present in the molecule which are associated with explosive properties.

Oxidizing properties:

The study does not need to be conducted because the substance is a solid.

Additional information

Appearance:

On the basis of physical observation and using the sense of smell, 1H-Pyrazole-3 -carboxylic acid, 4,5 -dihydro-5 -oxo-1 -(4 -sulfophenyl)-4 -[(4 -sulfophenyl)azo]-, reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) derivs was observed to be a solid yellow powder.

Melting point:

Based on the prediction done using the EPI Suite MPVPBP V1.43,the melting point of 1H-Pyrazole-3 -carboxylic acid, 4,5 -dihydro-5 -oxo-1 -(4 -sulfophenyl)-4 -[(4 -sulfophenyl)azo]-, reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) derivs was predicted.

The melting point of 1H-Pyrazole-3 -carboxylic acid, 4,5 -dihydro-5 -oxo-1 -(4 -sulfophenyl)-4 -[(4 -sulfophenyl)azo]-, reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) derivs was estimated to be 173˚C.

Boiling Point:

Based on the prediction done using the EPI Suite MPVPBP V1.43, the Boiling point of 1H-Pyrazole-3 -carboxylic acid, 4,5 -dihydro-5 -oxo-1 -(4 -sulfophenyl)-4 -[(4 -sulfophenyl)azo]-, reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) derivs was predicted.

The boiling point of 1H-Pyrazole-3 -carboxylic acid, 4,5 -dihydro-5 -oxo-1 -(4 -sulfophenyl)-4 -[(4 -sulfophenyl)azo]-, reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) derivs. was estimated to be 462˚C.

Density:

The density of 1H-Pyrazole-3-carboxylic acid, 4,5 -dihydro-5 -oxo-1 -(4 -sulfophenyl)-4 -[(4 -sulfophenyl)azo]-, reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) derivs is 1.17 g/cm3 at 20°C and 980.5 hPa.

Particle size distribution:

The particle size distribution of 1H-Pyrazole-3 -carboxylic acid, 4,5 -dihydro-5 -oxo-1 -(4 -sulfophenyl)-4 -[(4 -sulfophenyl)azo]-, reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) derivs. was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determined to be in the range of 150 micron to 25 micron.

Vapour pressure:

Modified Grain method was used to estimate the vapour pressure of 1H-Pyrazole-3 -carboxylic acid, 4,5 -dihydro-5 -oxo-1 -(4 -sulfophenyl)-4 -[(4 -sulfophenyl)azo]-, reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) derivs using MPBPVP v1.43 of EPI SUITE.

The estimated vapour pressure of 1H-Pyrazole-3 -carboxylic acid, 4,5 -dihydro-5 -oxo-1 -(4 -sulfophenyl)-4 -[(4 -sulfophenyl)azo]-, reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) deriv at 25 deg C was 98.2 Pa.

Partition coefficient

The partition coefficient(n-octanol/water) (logKow) of test substance 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl)azo]-, reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) derivs. (CAS No. 15790-07-5) was determined to be 4.8 at 25°C. Thus, on the basis of this value, chemical 1H-Pyrazole-3 -carboxylic acid, 4,5 -dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl)azo]-, reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) derivs. can be considered to be hydrophobic in nature.

Water solubility:

The water solubility determination of 1H-Pyrazole-3-carboxylic acid, 4,5 -dihydro-5 -oxo-1 -(4 -sulfophenyl)-4 -[(4 -sulfophenyl)azo]-, reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) derive was done as per the shake flask method. The solubility was determine to be less than 0.01 mg/L at 25 Deg C. Thus the 1H-Pyrazole-3 -carboxylic acid, 4,5 -dihydro-5 -oxo-1 -(4 -sulfophenyl)-4 -[(4 -sulfophenyl)azo]-, reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) derive is considered to be insoluble in water.

Surface tension:

The study does not need to be conducted because water solubility is below 1 mg/L at 20°C.

Flash point:

The study does not need to be conducted because the flash point is only relevant to liquids and low melting point solids.

Auto flammability:

1H-Pyrazole-3-carboxylic acid, 4,5 -dihydro-5 -oxo-1 -(4 -sulfophenyl)-4 -[(4 -sulfophenyl)azo]-, reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) derivs did not catch fire on being exposed to air at room temperature of 27°C pressure of 966 hPa. This indicates that 1H-Pyrazole-3 -carboxylic acid, 4,5 -dihydro-5 -oxo-1 -(4 -sulfophenyl)-4 -[(4 -sulfophenyl)azo]-, reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) derivs is not auto-flammable.

Flammability:

1H-Pyrazole-3-carboxylic acid, 4,5 -dihydro-5 -oxo-1 -(4 -sulfophenyl)-4 -[(4 -sulfophenyl)azo]-, reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) derivs does not indicate any ignition when the flame of bunsen burner having temperature of approximately 950°C is brought in contact with it. Thus it can be concluded that 1H-Pyrazole-3 -carboxylic acid, 4,5 -dihydro-5 -oxo-1 -(4 -sulfophenyl)-4 -[(4 -sulfophenyl)azo]-, reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) derivs is not flammable at high temperature. However since such high temperatures are not found under normal circumstances of transportation and use, thus 1H-Pyrazole-3 -carboxylic acid, 4,5 -dihydro-5 -oxo-1 -(4 -sulfophenyl)-4 -[(4 -sulfophenyl)azo]-, reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) derivs was considered non-flammable.

Explosiveness:

The study does not need to be conducted because there are no chemical groups present in the molecule which are associated with explosive properties.

Oxidizing properties:

The study does not need to be conducted because the substance is a solid.